Sunlight Supply Samsung Programmable Thermostat for Split Systems - Manual (Page 7)

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sub-PCB INSTALLATION INSTRUCTIONS
6. Tuck the connected wires into the unit cabinet and replace the main PCB cover
and front panel (if removed). Apply power and proceed with programming
your controller (temperature sensing location, time, Fahrenheit, etc.)
5. With the wired controller wires already installed, pull the wires through the
front of the indoor unit. Cut the 2 small plastic connectors off the ends of the
sub-PCB wire harness (the ends of the red/blue and yellow/orange wires).
Connect F3/F4 and V1/V2 between the indoor unit and the wired controller
as pictured below.
RED = F3 BLUE = F4 ORANGE = V1 YELLOW = V2
Remove
Wired controller wire
(field provided)
PCB wire
harness
connection
plug
NOTE: The wired controller does not include
a connection wire. This wire field is provided.